Add process submodule as unstable (#310)

Signed-off-by: Yoshua Wuyts <yoshuawuyts@gmail.com>

src/lib.rs

@@ -66,6 +66,8 @@ cfg_if! {
         pub mod path;
         #[cfg_attr(feature = "docs", doc(cfg(unstable)))]
         pub mod pin;
+        #[cfg_attr(feature = "docs", doc(cfg(unstable)))]
+        pub mod process;
 
         mod unit;
         mod vec;

src/process/mod.rs

@@ -0,0 +1,14 @@
+//! A module for working with processes.
+//!
+//! This module is mostly concerned with spawning and interacting with child processes, but it also
+//! provides abort and exit for terminating the current process.
+//!
+//! This is an async version of [`std::process`].
+//!
+//! [`std::process`]: https://doc.rust-lang.org/std/process/index.html
+
+// Re-export structs.
+pub use std::process::{ExitStatus, Output};
+
+// Re-export functions.
+pub use std::process::{abort, exit, id};